Mounting sleeve for illuminated globes



Dec. 16, 1941. M R, R, DUPLER- l 2,266,589

MOUNTING sLEvE FOR ILLUMINATED GLoBEs Filed Jan. 5, 1959 l2: sheets-sheet 1 Dec# 16, 1941. R. R. DUPLER MOUNTING' SLEVE FOR ILLMINATE GLOBES Filled Jan. 5, 1959' l 2 sheets-sheet 2 f www T /MN m V m A Y ,B

Patented Bec. 16, 1941 Unirse sfr TES PTNT Aspiration January 5, 1939, serial No. 249,469

1 Claim.

This invention ,relatesl to the mounting of globes or spheres of transparent or translucent material particularly glass, in the inside of which is disposed an electric lamp for the purpose of illuminating the same, and an object is to produce a ysimple rand efficient mounting for globes of the above character which is simple in construction, conve'nient to apply, is capable of being readily positionedy in the desired relation with the diametrically opposed center of the globe and is adapted to 'compensate for irregularities in the wall thickness of the globe without danger of breaking the globe during the application thereof.

Another object is to produce va sleeve mounting for globes of glass or similar material which can be easily and simply installed.

A further object is to produce a novel method of installing a sleeve mounting on a globe of the above character.

For purposes of illustration but not of limitation, an embodiment of the invention is shown on the accompanying drawings in which Figure 1 is a side elevation of a glass globe with a sleeve mounted therein;

Figure 2 is a transverse sectional elevation substantially on the line 2 2 of Figure 1;

Figure 3 is an enlarged side elevation partly in section of the sleeve before the tongues are formed therein;

Figure 4 is a side elevation of the sleeve similar to that shown in Figure 3 but with the tongues or fingers formed therein;

Figure 5 is a transverse sectional view substantially on the line '.i-5 of Figure 4;

Figure 6 is a fragmentary sectional elevation showing the sleeve mounted on a globe and showing by dotted lines the manner in which the sleeve is introduced into the globe opening and a portion of the arm employed for bending the tongues into clamping relation with the globe; and

Figure 7 is a fragmentary sectional elevation of a sleeve mounted on a globe showing the action of the clamping tongues in the event of variations in the wall thickness of the globe.

The illustrated embodiment of the invention comprises a sphere or globe I0 preferably of glass and adapted for use as a lamp, it being understood that an electric lamp is inserted in the globe to illumine the exterior thereof. The exterior of the globe may be covered with a terrestrial or celestial map or other designs such as applied by decalcomania, or the globe may be frosted so as to render it merely translucent. The

ZMLLZS) globe is formed with an opening Il which is of such size as to receive the metal sleeve I2. It is recognized that in the making of glass globes, it is not always possible to have the wall thickness uniform throughout nor is it possible with any great degree of accuracy to control the exact size of the opening II. As will hereinafter appear, the sleeve II is so constructed and mounted as to compensate for such irregularities and inaccuracies.

The metal sleeve i2 which may be of aluminum, steel, or other suitable materials, is slightly tapered with the smaller end thereof being adapted to bek disposed inside of the globe. Formed onthe outer end of the r'sleeve is an outwardly extending flange I3 which preferably is ycurved so that when in place it forms a continuation of the peripheral surface of the globe. To receive the outer edge of the flange I3, the wall of the globe adjacent the opening Il is formed with a countersink I4 providing a shoulder against which the flange I3 abuts. It will be 0bserved from an examination of Figure 1 that the flange I3 merges into the outer surface of the globe to form substantially an unbroken surface. It is possible to form the countersunk recess I4 fairly accurately so that its axis or center line intersects the center point of the globe diametrically opposed thereto. This is 0f importance in positioning the sleeve I2 in the desired manner so that its center line intersects the center of the globe at the diametrically opposed point. Consequently, although the opening I'I may not line up accurately with such center point, the flange I3 cooperating with the recess I 4 will be disposed almost exactly in the desired position. Preferably the tube I2 adjacent the flange or rim I3 is cylindrical as indicated at I5 in order to ll the opening II as much as possible. From the cylindrical portion I5 to the inner end, the sleeve tapers inwardly.

Struck out of the side walls of the tube I2 adjacent the cylindrical portion I5 is a plurality of tongues or fingers I6 which are preferably spaced equidistantly from each other, in this instance four tongues being formed. The tongues are integral with the side walls of the sleeve adjacent the cylindrical portion I 5.

In applying the sleeve to the globe, as indicated in Figure 6, it is inserted through the opening I I until the rim or flange seats itself within the countersunk recess I4. A suitable tool is introduced into the sleeve having a series of arms A provided with inwardly extending pointed heads as indicated on Figure 6. These arms are operated in such manner as to bend the tongues outwardly and downwardly against the inside of the globe I0, thus cooperating with the ilange rim I3 to clamp the opposite sides of the globe for securing the sleeve in position. Thereupon the tool is removed. Detail description and illustration of the tool is not given because it forms no part of the present invention and it will be readily appreciated that any suitable tool may be provided for outwardly bending the tongue I6 as above described.

Inasmuch as the arms A move inwardly a predetermined extent suiicient to bend the tongues I6 into clamping engagement with the globe, it is necessary that some arrangement be made to compensate for irregularities in the wall thickness of the globe. As indicated in Figure 7, the heads of the arms A engage the tongues intermediate their ends and in the event that one or more of the tongues engages an enlargement of the globe wall, the tongue will bend intermediate its ends inwardly toward the inside of the globe. In this connection, attention is called to the tongue illustrated at the left hand side of Figure 7 which has engaged a relatively thicker portion of the globe wall before the tongue at the right hand side has engaged so that upon further movement of the arms A, the left hand tongue is bent intermediate its ends. This militates against the danger of the globe being broken or cracked due to excessive force exerted thereagainst.

From the above description it will be apparent that the sleeve is readily mounted in position in such manner that it is securely clamped in place so that its axis is in line with the center point of the globe diametrically opposed thereto. Provision is made for inaccurately sized openings' through which the sleeve is inserted and compensation is made for irregularities in the wall thickness of the globe. After the sleeve is in place, the globe can be mounted on a support after the manner shown and described in my Patent No. 2,027,156, issued January 7, 1936.

Numerous changes in details of construction, arrangement and assembly may be effected without departing from the spirit of the invention especially as dened in the appended claim.

What I claim is:

The combination of a glass globe having an opening therein and an annular recessed portion surrounding said opening, a tubular sleeve of relatively thin, bendable sheet material tting into said opening, a plurality of laterally extending spaced apart resilient tongues struck out of said tubular sleeve, each of said tongues having its tip end portion bearing against the inner surface of said globe, each of said tongues being bowed intermediate the ends thereof substantially toward the inner surface of the globe to a degree dependent upon the thickness of the globe Wall at the point contacted by the tip end portion of the bowed tongue, each of said tongues being of sufiicient length relative to the thickness of the globe to permit direct contact of only the tip end portions of the bowed tongues with the inner surface of the glass globe to resiliently hold the said sleeve in the opening of said glass globe, and an annular ange extending outwardly and upwardly from the lower end of the sleeve and snugly engaging in said recessed portion of the globe.

RAYMOND R. DUPLER. 

